US Patent 7996149 Method and device for automatic route registration

A method and a device for automatic route registration. A destination is entered into a data input device. A route is determined as a function of a starting location and the entered destination. The first route is transmitted to a route analysis device and divided into at least one route section therewith. The route section is registered in an evaluation device. Upon the detection of a first condition, a second route is determined to the destination. The second route is automatically transmitted to the route analysis device. The route analysis device compares the second route to the first route. Unused route sections of the first route are cancelled and added route sections of the second route are registered.